Last updated: August 27, 2025
In San Juan Pueblo Nuevo, Mexico, the average temperature for September hovers around 18°C (65°F). Expect lows of 7°C (45°F) and highs reaching 28°C (83°F). Rain is quite common, with 123 mm (4.8 in) of precipitation spread over 20 days. You'll experience a high level of comfort with average humidity at 82%. Plan accordingly!
In September in San Juan Pueblo Nuevo, the average temperature is 18°C (65°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 7°C (45°F). This mild climate makes San Juan Pueblo Nuevo an ideal destination for outdoor exploration and city sightseeing during this time of year.
In San Juan Pueblo Nuevo in September, the total precipitation amount reaches 123 mm (4.8 in) over the course of 20 days.
In San Juan Pueblo Nuevo in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.
In San Juan Pueblo Nuevo in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Juan Pueblo Nuevo, you can check here.
UV Risk Categories
Weather in San Juan Pueblo Nuevo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan Pueblo Nuevo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (58°F) | 4 mm (0.2 inches) | 84% | very high |
| February Weather | 17°C (62°F) | 2 mm (0.1 inches) | 78% | extreme |
| March Weather | 19°C (66°F) | 8 mm (0.3 inches) | 75% | extreme |
| April Weather | 20°C (69°F) | 15 mm (0.6 inches) | 70% | extreme |
| May Weather | 21°C (70°F) | 24 mm (0.9 inches) | 77% | extreme |
| June Weather | 20°C (68°F) | 96 mm (3.8 inches) | 76% | extreme |
| July Weather | 19°C (66°F) | 93 mm (3.7 inches) | 68% | extreme |
| August Weather | 19°C (66°F) | 116 mm (4.6 inches) | 70% | extreme |
| September Weather | 18°C (65°F) | 123 mm (4.8 inches) | 82% | extreme |
| October Weather | 17°C (63°F) | 56 mm (2.2 inches) | 91% | extreme |
| November Weather | 16°C (60°F) | 15 mm (0.6 inches) | 89% | very high |
| December Weather | 15°C (59°F) | 2 mm (0.1 inches) | 88% | very high |